#C66C4E
Closest named color: Terracota (#CB6843). oklch(62.8% 0.122 39.1), rgb(198, 108, 78).
Aa
Black text reads best on this color (5.65:1).
About this color
#C66C4E is a medium-light, moderately saturated red. In OKLCH its lightness is 63%, its chroma 0.122 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Terracota (#CB6843), ΔE 0.014 away. Black text reads best on it, at 5.65:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.122) |
| Temperature | warm |
| Nearest name | Terracota (#CB6843) |
| Black text | 5.65:1 |
| White text | 3.71:1 |
Values
| HEX | #C66C4E |
| RGB | rgb(198, 108, 78) |
| HSL | hsl(15, 51%, 54%) |
| OKLCH | oklch(62.8% 0.122 39.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #C66C4E | 3.71:1 | AA large text | Lc -69.8 | Content text, not long reading |
| Black text on #C66C4E | 5.65:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #C66C4E text on white | 3.71:1 | AA large text | Lc 64.3 | Content text, not long reading |
| #C66C4E text on black | 5.65:1 | AA | Lc -37.3 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F5E6E1
oklch(93.5% 0.018 39.4)
-
Step 200
200
#EED2C9
oklch(88.5% 0.034 38.6)
-
Step 300
300
#E4B4A4
oklch(80.9% 0.06 39.2)
-
Step 400
400
#D48C74
oklch(70.7% 0.095 39.2)
-
Step 500
500 (this color)
#C66C4E
oklch(62.8% 0.122 39.1)
-
Step 600
600
#B35332
oklch(55.7% 0.134 39.1)
-
Step 700
700
#994325
oklch(49.1% 0.123 39.2)
-
Step 800
800
#7C3820
oklch(42.7% 0.102 39.5)
-
Step 900
900
#65311F
oklch(37.8% 0.08 39.5)
-
Step 950
950
#3B1D13
oklch(27% 0.05 39.1)
#C66C4E with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #83794B | 0.117 |
| Deuteranopia (no green cones) | #998C4D | 0.108 |
| Tritanopia (no blue cones) | #D85C65 | 0.060 |
| Achromatopsia (no color) | #858585 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C66C4E
#C66C4E
oklch(62.8% 0.122 39.1)
- #0098B7
#0098B7
oklch(62.8% 0.114 219.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C66C4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terracota #CB6843 ΔE 0.014
- Terracotta #CA6641 ΔE 0.016
- Adobe #BD6C48 ΔE 0.018
- Terra Cotta #C9643B ΔE 0.022
- Clay #B66A50 ΔE 0.030
- Pinkish Brown #B17261 ΔE 0.041
- Chocolate #D2691E ΔE 0.043
- Clay Brown #B2713D ΔE 0.045
Use #C66C4E in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.